The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A trash dump made beautiful by nature's power.

A walk through the historic city center, under the streets of Seattle.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Inside this museum, the history of the Walt Disney Family empire is on full display.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

An essential stop before plundering, BYO Cutlass.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A psychedelic labyrinth on the San Francisco bay.

A huge musical instrument played by the ocean.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

A stealthy Apache hideaway that became the haunting site of a mass grave.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

There's something big lurking beneath the surface of this tiny Oregon park.

This graveyard is the eternal home of the residents of a vanished California town.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.